How do the CIA and FBI cooperate on counterintelligence and counterterrorism?

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The Central Intelligence Agency (CIA) and the Federal Bureau of Investigation (FBI) cooperate extensively on counterintelligence, counterterrorism, and efforts to combat international crime. While the CIA is the principal agency for foreign intelligence, the FBI serves as the primary agency for domestic counterintelligence.123

Following the September 11 attacks in 2001, this cooperation was significantly deepened to address historical challenges regarding coordination. Key integration efforts include:13

  • Personnel Exchange: CIA officers are assigned to work within FBI units, while FBI agents are stationed at CIA headquarters to facilitate information sharing and operational synergy.1
  • Departmental Integration: CIA analysts were integrated into the intelligence sections of the Department of Homeland Security to improve the flow of intelligence across agencies.1
  • Strategic Coordination: Both agencies operate under the broader framework of the U.S. intelligence community, with their activities coordinated by the director of national intelligence to ensure national security objectives are met efficiently.1

This collaborative approach is essential for maintaining the integrity of U.S. security, as it bridges the gap between domestic law enforcement and foreign intelligence gathering.21